28 might be a parallelogram
Answer:
t - (-2,-1)
q - (1,-3)
r - (3,3)
s - (0,2)
Step-by-step explanation:
Answer: 
Step-by-step explanation:
1. By definition, you have if
, then 
2. Keeping this on mind, you must follow the proccedure shown below:
- You have that:

Where:

- Substitute values into
. Then, you obtain:
3,510
913=117
11730=3,510
3,510
Answer:
D
Step-by-step explanation:
You just need to calculate it as usual. Might as well do in fraction form for clearer understandings